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Model 330-370, V8 (B.B.), GM 454/502 CID (1981 & UP)

Ref No. GLM No. OEM No. Description Qty.
1 51240 807078T08 Exhaust Manifold Assembly (Iron Casting) 1
2* 21892 22-41622 Plug (Steel) 1
2 21896 - Plug (Brass) 1
3** 33760 27-46820 Gasket-Exhaust Manifold 1
4** 13990 22-806926A1 Hose Fitting with Drain Plug Kit. Contents Ref. 8,9,10 1
5** 30240 27-863724 Gasket-Exhaust Manifold-Raw Water Cooling 1
6 30220 27-860231 Gasket-Exhaust Manifold-Fresh Water Cooling 1
7 32080 27-863726 Gasket-Exhaust Manifold and Spacers 1
8+ 13991 22-806926 90 Degree Hose Fitting 1
9+ 13992 22-806608A02 Drain Plug Kit (Includes No. 80140) 1
10+ 80140 25-45253 O-Ring 1
11 51110 98504A3 Exhaust Elbow (Iron Casting) 3", 15 Degree 1
12 51140 807988A2 Exhaust Elbow (Iron Casting) 4", 7 Degree 1
13 22391 16-49545 Stud 3/8 X 1 3/4 4
14 50300 807476A3 Spacer 3" (Iron Casting) 1
15 50600 807477A2 Spacer 6" (Iron Casting) 1
16 22481 16-97520 Stud (3/8 X 5) Use With 3" Elbow 4
16 22474 16-11375 Stud (3/8 X 9 1/2) Use With 4" Elbow 4
17* 21493 13-35048 Lockwasher 4
18 21248 11-46335 Flange Serrated Nut 4
19 21893 22-32802-2 Plug 1
20 22381 10-43749 Screw - Steel Zinc Plated 1
21* 21889 - Plug (Steel) 1
21 22379 22-73379 Plug (Brass) 1
22 21755 10-37612 Screw 8
23 22355 10-12244 Screw 4
24 89120 32-44348T Exhaust Bellow Upper 4” (Fits No. 51140 or No. 51145) 1
25 50760 44267T Elbow Tube 1
26 89130 32-14358T Exhaust Bellow Lower 4” (Fits No. 51140 or No. 51145) 1
27 01100 54-815504372 Hose Clamp 4
28 89070 70981A3 Exhaust Bellow Upper 3” (Fits No 51110 or No. 51115) 1
29 89090 32-90949T Exhaust Bellow Lower 3” (Fits No. 51110 or No. 51115) 1
30 01056 54-815504456 Hose Clamp 4
31 12693 N/A Aluminum Pencil Anode Kit AR
32- 12694 N/A Aluminum Anode 1
33- 21895 N/A Plug 1
34 13984 22-866725 Straight Fitting AR
35 13960 N/A Elbow Fitting AR
* Included with Exhaust Elbow 51140      
** Included with Manifold 51240      
+ Included in Kit No. 13990      
- Included in Kit No. 12691     AR = As Required